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Shannon Climate

Shannon Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
26.4 26.8 25.1 21.6 18.5 15.7 14.9 15.5 16.5 18.7 22.2 24.3 20.4
Mean Min (°C)
12.6 13.4 12.4 10.8 9.2 7.5 6.5 6.9 7.3 8.2 10.1 11.2 9.6
Mean Rain (mm)
18.9 15.8 31.6 70.4 130.9 167.2 177.6 147.7 133.3 76.3 54.7 29.7 1056.7
Median Rain (mm)
10.8 10.8 19.4 43.4 116.4 150.6 143.6 150.9 132.8 63.2 45.4 15.5 994.4
Mean Rain Days
7.7 7.1 8.9 14.5 18.6 19.2 22.5 19.7 18.9 17.9 13.1 9.5 155.9

Shannon Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
41.0 39.0 41.0 33.1 29.0 22.0 21.0 24.0 28.0 30.3 38.0 41.0 41.0
Low Max (°C)
16.5 17.0 11.0 13.0 9.6 8.8 9.7 8.0 10.0 12.0 13.0 15.0 8.0
High Min (°C)
21.0 24.0 23.0 19.0 19.0 14.0 13.9 13.8 14.6 16.5 20.0 21.0 24.0
Low Min (°C)
4.0 6.0 3.0 2.0 0.0 -2.0 -1.0 0.0 0.7 1.0 1.0 3.0 -2.0
High Rain (mm)
27.0 31.0 35.0 62.0 80.0 46.0 47.0 36.0 38.0 50.0 32.0 42.6 80.0

Shannon Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
27.9 28.3 26.9 24.6 19.9 16.5 16.0 17.5 17.8 20.3 24.5 26.9 21.1
Low Mn. Max (°C)
24.1 25.6 22.3 18.6 17.3 14.6 14.0 14.1 14.5 16.4 18.7 20.9 19.6
High Mn. Min (°C)
13.8 15.4 14.7 12.1 11.6 9.1 7.7 8.3 8.3 9.7 12.2 13.2 10.4
Low Mn. Min (°C)
11.4 11.9 10.9 8.6 7.5 5.0 5.1 5.3 5.7 6.8 8.4 9.5 9.1
High Rain (mm)
70.0 36.4 100.8 183.0 208.6 269.0 278.8 206.2 203.4 132.6 151.4 83.2 1357.4
Low Rain (mm)
3.2 2.8 1.0 8.4 66.8 70.2 68.6 31.4 2.4 34.0 15.4 5.0 520.6

Shannon Annual Temperatures & Rainfall

SHANNON

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

Shannon Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.2 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.4
≥ 35°C
1.6 1.9 1.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.0 5.3
≥ 30°C
7.4 7.8 5.3 1.0 0.0 0.0 0.0 0.0 0.0 0.2 2.4 4.6 24.5
≤ 2°C
0.0 0.0 0.0 0.1 0.3 1.2 2.6 1.1 0.9 0.3 0.1 0.0 5.7
≤ 0°C
0.0 0.0 0.0 0.0 0.1 0.2 0.6 0.1 0.0 0.0 0.0 0.0 0.8

Shannon 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.0 33.0 30.9 26.0 21.3 18.0 17.0 18.0 19.0 22.0 27.0 30.6 27.0
Low Max
21.0 21.4 19.0 17.0 15.0 13.0 13.0 13.0 13.2 15.0 17.4 19.0 15.0
High Min
16.0 17.0 16.0 14.0 13.0 10.5 9.0 10.0 10.0 11.0 13.0 15.0 14.0
Low Min
9.0 9.3 9.0 7.0 6.0 4.0 3.0 4.0 4.0 5.0 6.0 8.0 5.0

Shannon Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
14 15 16 15 15 15 15 16 16 16 16 16 15.3
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2012 2012 2012 2012 2013 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
14 15 16 15 15 15 15 16 16 16 16 16 15.3
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2012 2012 2012 2012 2013 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
14 15 15 15 15 15 15 16 16 16 16 16 15.3
Earliest Entry
1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1997 1996 1996
Latest Entry
2012 2012 2012 2012 2013 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

SHANNON
Southwest, Western Australia
34.5683°S 116.3367°E 210m AMSL
Commenced 1996
Display Your Local Weather

Weather News

Grantham flood inquiry: Concerns raised about quarry wall years before 2011 flood, commission hears

13:29 EST

A neighbour alerted council to a large embankment wall being built at a quarry years before it was blamed by some locals for contributing to the deadly 2011 Grantham flood, an inquiry has been told.

Loddon, Central Goldfields shires question revised Draft Victorian Floodplain Management Strategy

09:39 EST

Two central Victorian councils have raised concerns about a revised floodplain management strategy for the state.

Tenders called for new Torryburn bridge

06:39 EST

Dungog Council is getting on with the job of building a replacement bridge for one in the tiny community of Torryburn that was washed away in recent floods.